<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        a{
            text-decoration: none;
        }
        *{
            margin: 0;
            padding: 0;
        }
        .card{
            width: 82px;
            height: 90px;
            background-color: pink;
            border: 1px solid ;
        }
        .card .icon{
            width: 30px;
            height: 30px;
            margin: 18px auto 8px;
        }
        .card .icon .bg1{
            width: 30px;
            height: 30px;
            display: block;
        }
        .card .icon .bg2{
            width: 30px;
            height: 30px;
            display: none;
        }
        .card .foot{
            font-size: 14px;
            line-height: 16px;
            height: 16px;
            color: #757575;
            text-align: center;
        }
        .card:hover .bg1{
            display: none;
        }
        .card:hover .bg2{
            display: block;
        }
        .card:hover .foot{
            color: #ff6700;
        }
    </style>
</head>
<body>
    <div class="card">
        <a href="">
            <div class="icon">
                <img class="bg1" src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" alt="">
                <img class="bg2" src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" alt="">
                </div>
                <div class="foot">
                    手机APP
                </div>
        </a>
    </div>
</body>
</html>